Molecular Structure and Theoretical Studies of New Stable Phosphorus Ylides Derived from Trialkyl Phosphites

M. Rostamizadeh, M.T. Maghsoodlou, S.M. Habibi-Khorassani, N. Hazeri, S.S. Sajadikhah, F.R. Charati, M.A. Kazemian, Brian Skelton, Mohamed Makha

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6 Citations (Scopus)

Abstract

The reaction between dialkyl acetylenedicarboxylates and NH heterocyclic compounds in the presence of trialkyl phosphite leads to stable phosphorus ylide derivatives in good yields. The x-ray crystallographic data and theoretical study show that there is a resonance between two bonds of C-9=P-1 and C-91=O-91 in phosphorous ylide 4c. This compound crystallizes in the triclinic system, space group ( P (1) over bar), with the following unit cell parameters: a = 8.7522(3)angstrom, b = 8.8513(5)angstrom, c = 18.3469(5)angstrom, alpha = 99.1220(10)degrees, beta = 90.954(2)degrees, gamma = 118.792(2)degrees, Z = 2, and V = 1222.72(9)angstrom(3). (C) 2010 Wiley Periodicals, Inc. Heteroatom Chem 22:36-43, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/hc.20653
Original languageEnglish
Pages (from-to)36-43
JournalHeteroatom Chemistry
Volume22
DOIs
Publication statusPublished - 2011

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